The Shuffler

I got on the brown line today, and my weirdo-meter was pinging slightly.

I spotted a guy on the platform who had two concern-causing indicators.
#1: Tinted glasses, the number one appearance indicator that warrants suspicion.
#2: An intense stare at everyone who was coming up the stairs to the platform, like he's just waiting to catch someone's eye to strike up a conversation.

Anyway, we all got on the train and settled in for our 45 minute ride downtown.
I sat kitty-corner from this guy, who I noticed took off his gloves and was shuffling a deck of cards. He was the kind of shuffler who doesn't just split the deck into two piles and flip them together. But he splits the deck into all kinds of little parts and combines them in complicated shuffling ways. In other words, a pro.

But also, weird.
It's 10 degrees outside, the brown line is dead quiet with everyone either reading or listening to their earphones, and dude took off his gloves to shuffle cards at 9 a.m.

He kept this up for the entire 45 minute train ride. Not only that, but he was giving everyone an intense vegas stare as if to challenge people to come up to his imaginary blackjack table.

Shuffle, shuffle, shuffle.
Five of spades.
Shuffle, shuffle, shuffle.
Five of hearts.
Shuffle, shuffle, shuffle.
Five of clubs.
Shuffle, shuffle, shuffle.
Five of diamonds.

Cards back in the deck, and repeat.